Home / 16,545.28-24,773.66-13,920.88

Finding the Fourth Proportional to 16,545.28, 24,773.66 and 13,920.88

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Solution

The fourth proportional to 16,545.28, 24,773.66 and 13,920.88 is: 20,844.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,545.28 : 24,773.66 = 13,920.88 : x
  2. Step 2: Convert to fraction form
    16,545.28/24,773.66 = 13,920.88/x
  3. Step 3: Cross multiply
    16,545.28x = 24,773.66 × 13,920.88
  4. Step 4: Simplify right side
    16,545.28x = 344,871,148.02
  5. Step 5: Solve for x
    x = 344,871,148.02/16,545.28
  6. Step 6: Final answer
    x = 20,844.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.